/Engine/Source/Runtime/Engine/Classes/Animation/BlendProfile.h
Fill an array of floats with the bone duration values. One for each bone in the skeleton pose.
void FillSkeletonBoneDurationsArray ( TCustomBoneIndexArrayView< float, [FSkeletonPoseBoneIndex](API\Runtime\AnimationCore\FSkeletonPoseBoneIndex) > OutDurationPerBone, float Duration ) const